<!DOCTYPE html>
<html lang="en">
<head>
  <meta name="viewport" content="width=620">
  <title>no html5</title>
  <script src="js/help.func.js"></script>
  <script src="js/class/Rect.class.js"></script>
  <script src="js/keyboard.js"></script>
  <meta charset="utf-8">
<body>
<section id="wrapper">
    <canvas width="500px" height="400px" id="canvas">
</body>
</html>